diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
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@@ -9,6 +9,7 @@ hide:
 
 ### Internal
 
+* 🔧 Update sponsors: remove Stainless. PR [#15862](https://github.com/fastapi/fastapi/pull/15862) by [@tiangolo](https://github.com/tiangolo).
 * ♻️ Refactor how sponsors data is handled for banners. PR [#15852](https://github.com/fastapi/fastapi/pull/15852) by [@tiangolo](https://github.com/tiangolo).
 
 ## 0.138.1 (2026-06-25)